教你如何在家用免費電

jjgio

教你如何在家用免費電
( U9 w! G4 g# T, e- `1 i( F9 L' q在油電高漲的年代
- |! _7 }: z* A4 u6 w! Z6 Q7 \如何省電成了人人必學的知識,
& H, K' j# w! x. E# w5 u想免費用電趕快學起來!!& \* S, F. l" x$ e# A2 E
http://josong.blogspot.com/2008/08/blog-post_9916.html

費事高

我唔識聽英文

slwong3

It is only teaching you how to get electricity from the phone jack.% n" u. m: o7 O, t% t
The video only tells that it is only used for emergency because the phone jack can not provide much power (probably enough for a flash light).